Positioning clamp for processing polyvinylidene fluoride plate

By designing a multi-angle clamping positioning positioning fixture, the rotational fit and thread rotation fit are used to solve the problem of the plate falling off due to impact during the processing of polyvinylidene fluoride plates, and stable clamping and efficient processing of the plates are achieved.

CN222570555UActive Publication Date: 2025-03-07CHANGZHOU KEXUN PRECISION MASCH CO LTD
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Patent Information

Application Number
CN202421305017.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-10
Publication Date
2025-03-07
Estimated Expiration
2034-06-10

AI Technical Summary

Technical Problem

During the processing of polyvinylidene fluoride plates, existing positioning fixtures are prone to fall off due to impact, thereby reducing processing efficiency.

Method used

By designing a positioning fixture including the first transfer plate, the second transfer plate and the clamping plate, the rotation fit and the thread rotation fit are used to achieve multi-angle clamping positioning of the polyvinylidene fluoride plate, and improve clamping stability.

Benefits of technology

The device realizes stable clamping of polyvinylidene fluoride plates by changing the distance between the clamping plates, avoiding the problem of plate falling off and improving processing efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a positioning clamp for processing a polyvinylidene fluoride plate, which relates to the technical field of plate processing tools and comprises a placing table. A clamping assembly is arranged on the placing table; the clamping assembly comprises a first rotating plate, a center hole is formed in the top of the first rotating plate, first rotating shafts are fixed to the positions, located on the two sides of the center hole, of the top of the first rotating plate, and second rotating plates are rotationally matched with the circumferential side faces of the first rotating shafts and located above the first rotating plate. A U-shaped plate is fixed to the peripheral side face of the second rotating shaft and located above the second rotating plate, and a clamping plate is fixed to one end of the U-shaped plate. The distance between the two clamping plates is changed through rotating fit between the first rotating plate and the two second rotating plates, multi-angle clamping and fixing of the device in the polyvinylidene fluoride plate machining process are achieved through threaded rotating fit between the threaded plate and the threaded rod, and the clamping stability of the device is improved.
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Description

Technical Field

[0001] The utility model belongs to the technical field of plate processing tools, in particular to a positioning fixture for processing polyvinylidene fluoride plates. Background Art

[0002] A fixture is a device used to fix the object to be processed in the mechanical manufacturing process so that it occupies the correct position for construction or inspection. It is also called a fixture. In a broad sense, any device used to quickly, conveniently and safely install the workpiece in any process can be called a fixture. Polyvinylidene fluoride, abbreviated as PVDF, is a highly non-reactive thermoplastic fluorine-containing polymer. Polyvinylidene fluoride can be made into sheets.

[0003] When the polyvinylidene fluoride plate is engraved, carved, drilled, etc., the existing positioning fixture needs to fix the polyvinylidene fluoride plate on the placement table. The processing process using automatic processing machinery is prone to impact, causing the plate fixed on the placement table to fall off, making subsequent processing difficult to continue, reducing processing efficiency. Utility Model Content

[0004] The utility model aims to provide a positioning fixture for processing polyvinylidene fluoride plates. Through the rotational cooperation between a first rotating plate and two second rotating plates, and the threaded rotational cooperation between a threaded plate and a threaded rod, the utility model solves the problem that the polyvinylidene fluoride plates need to be fixed on a placing table, and impact force is easily generated during the processing using an automatic processing machine, causing the plates fixed on the placing table to fall off, making subsequent processing difficult to continue, and reducing processing efficiency.

[0005] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0006] The utility model discloses a positioning fixture for processing a polyvinylidene fluoride plate, which comprises a placing table; a clamping component is arranged on the placing table.

[0007] The clamping assembly includes a first rotating plate, a center hole is opened at the top of the first rotating plate, a first rotating shaft is fixed on both sides of the center hole at the top of the first rotating plate, a second rotating plate is rotatably matched with the first rotating plate on the peripheral side surface of the first rotating shaft, a second rotating shaft is rotatably matched with the top of the second rotating plate, a U-shaped plate is fixed on the peripheral side surface of the second rotating shaft above the second rotating plate, a limiting hole is opened on one side of the U-shaped plate, and a clamping plate is fixed on one end of the U-shaped plate.

[0008] The placing platform is fixed with limiting plates on both opposite sides, the limiting holes are slidably matched with the limiting plates, and a side plate is fixed on one end of the limiting plates.

[0009] The utility model is further configured that a swing motor is fixedly installed at the bottom of the placement table, and the swing motor is fixedly connected to the center hole.

[0010] The utility model is further configured that a back baffle is fixed on the top of the placing table, and a plurality of rubber protection strips are arranged on one side of the back baffle.

[0011] The utility model is further configured that a horizontal slide groove is provided on the top of the placing table, and a limit baffle is fixed in the horizontal slide groove.

[0012] A threaded rod is rotatably matched between the inner wall of the horizontal slide groove and the limit baffle.

[0013] The utility model is further configured as follows: a support plate is fixed to one side of the placement table, a servo motor is fixedly installed on the top of the support plate, and an output end of the servo motor is fixedly connected to one end of the threaded rod.

[0014] The utility model is further configured that the threaded plate which is rotatably matched with the horizontal slide groove is threadedly matched with the threaded side surface of the threaded rod, and a positive baffle is fixed to one side surface of the threaded plate.

[0015] The utility model has the following beneficial effects:

[0016] The utility model drives the two second rotating plates to make a swinging motion around the first rotating shaft by driving the first rotating plate to rotate forwardly or reversely. In addition, the sliding cooperation between the limiting hole and the limiting plate makes the two second rotating plates parallel to each other during the swinging process. When the distance between the two second rotating shafts is the largest, that is, the distance between the two clamping plates is the largest, the first rotating plate and the two second rotating plates move to the same straight line. When the distance between the two second rotating shafts is the smallest, that is, the distance between the two clamping plates is the smallest, the angle between the first rotating plate and the two second rotating plates is the largest or smallest. The device achieves a change in the distance between the two clamping plates through the rotational cooperation between the first rotating plate and the two second rotating plates, realizes the clamping and positioning of the polyvinylidene fluoride plate, improves the stability of the device, avoids the problem of plate falling off during plate processing, and improves processing efficiency.

[0017] The utility model drives the threaded rod to rotate clockwise or counterclockwise, so that the threaded plate that slides with the inner wall of the horizontal slide groove slides horizontally along the direction of the threaded rod, driving the positive baffle plate fixed on one side of the threaded plate to move closer to or away from the back baffle plate, thereby achieving and realizing the setting of the positive baffle plate and the back baffle plate, and can horizontally clamp and position the polyvinylidene fluoride plate at the center of the placement table in another direction. The device realizes multi-angle clamping and fixing of the polyvinylidene fluoride plate during the processing of the polyvinylidene fluoride plate, and improves the clamping stability of the device. The multiple rubber protection strips arranged on one side of the back baffle plate avoid the problem of excessive clamping force on the plate during the positioning and clamping process of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0019] Figure 1 The figure is a schematic diagram of the structure of a positioning fixture for processing polyvinylidene fluoride plates.

[0020] Figure 2 for Figure 1 A is an enlarged schematic diagram.

[0021] Figure 3 The figure is a bottom view of a positioning fixture for processing polyvinylidene fluoride plates.

[0022] Figure 4 A schematic diagram of the structure of the clamping assembly.

[0023] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0024] 1-placing table, 2-clamping assembly, 3-threaded rod, 101-limiting plate, 102-side plate, 103-swing motor, 104-back baffle, 105-rubber protection strip, 106-horizontal slide, 107-limiting baffle, 108-support plate, 109-servo motor, 201-first rotating plate, 202-center hole, 203-first rotating shaft, 204-second rotating plate, 205-second rotating shaft, 206-U-shaped plate, 207-limiting hole, 208-clamping plate, 301-threaded plate, 302-front baffle. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] For specific embodiment 1, please refer to Figure 1-4The utility model is a positioning fixture for processing polyvinylidene fluoride plates, including a placing table 1; a clamping assembly 2 is arranged on the placing table 1; the clamping assembly 2 includes a first rotating plate 201, a center hole 202 is opened on the top of the first rotating plate 201, and a first rotating shaft 203 is fixed on both sides of the center hole 202 at the top of the first rotating plate 201, the first rotating shaft 203 is located on the side surface above the first rotating plate 201 and is rotatably matched with a second rotating plate 204, the second rotating plate 204 is rotatably matched with a second rotating shaft 205 at the top, and a U-shaped plate 206 is fixed on the side surface of the second rotating shaft 205 above the second rotating plate 204, a limiting hole 207 is opened on one side of the U-shaped plate 206, and a clamping plate 208 is fixed on one end of the U-shaped plate 206; limiting plates 101 are fixed on the opposite sides of the placing table 1, the limiting hole 207 is slidably matched with the limiting plate 101, and a side plate 102 is fixed on one end of the limiting plate 101.

[0027] Specifically, a swing motor 103 is fixedly installed at the bottom of the placement table 1.

[0028] Furthermore, the swing motor 103 is fixedly connected to the central hole 202 .

[0029] The operation process of this embodiment is as follows: by starting the swing motor 103 fixedly installed at the bottom of the placement table 1 in the forward or reverse direction, the first rotating plate 201 fixedly connected to the output end of the swing motor 103 rotates forward or reversely, driving the two second rotating plates 204 to make a swinging motion centered on the first rotating shaft 203. In addition, the limiting hole 207 and the sliding cooperation of the limiting plate 101 make the two second rotating plates 204 parallel to each other during the swinging process. When the distance between the two second rotating shafts 205 is the largest, that is, the distance between the two clamping plates 208 is the largest, the first rotating plate 20 1 and the two second rotating plates 204 move to the same straight line. When the distance between the two second rotating shafts 205 is the smallest, that is, when the distance between the two clamping plates 208 is the smallest, the angle between the first rotating plate 201 and the two second rotating plates 204 is the largest or smallest. The device achieves the change of the distance between the two clamping plates 208 through the rotational cooperation between the first rotating plate 201 and the two second rotating plates 204, realizes the clamping and positioning of the polyvinylidene fluoride plate, improves the stability of the device, avoids the problem of the plate falling off during the processing, and improves the processing efficiency.

[0030] For specific embodiment 2, please refer to Figure 1-4 On the basis of the specific embodiment 1, a back baffle 104 is fixed on the top of the placement table 1, and a plurality of rubber protection strips 105 are arranged on one side of the back baffle 104; a horizontal slide groove 106 is opened on the top of the placement table 1, and a limit baffle 107 is fixed in the horizontal slide groove 106; a threaded rod 3 is rotatably engaged between the inner wall of the horizontal slide groove 106 and the limit baffle 107.

[0031] Specifically, a support plate 108 is fixed to one side of the placement table 1 , a servo motor 109 is fixedly installed on the top of the support plate 108 , and an output end of the servo motor 109 is fixedly connected to one end of the threaded rod 3 .

[0032] Furthermore, the threaded plate 301 which is slidably matched with the horizontal slide groove 106 is rotatably matched with the threaded plate 301 on the side surface of the threaded rod 3, and a positive baffle 302 is fixed to one side surface of the threaded plate 301.

[0033] The operation process of this embodiment is as follows: by starting the servo motor 109 fixedly installed on the top of the support plate 108, the threaded rod 3 fixedly connected to the output end of the servo motor 109 rotates clockwise or counterclockwise between the inner wall of the horizontal slide groove 106 and the limit baffle 107, and the threaded plate 301 and the threaded rod 3 rotate in coordination with each other, so that the threaded plate 301 slidingly cooperates with the inner wall of the horizontal slide groove 106 and slides horizontally along the direction of the threaded rod 3, driving the positive baffle 302 fixed on one side of the threaded plate 301 to approach or move away from the back baffle 104, thereby achieving and realizing the setting of the positive baffle 302 and the back baffle 104, and being able to horizontally clamp and position the polyvinylidene fluoride plate at the center of the placement table in another direction. The device realizes multi-angle clamping and fixing of the polyvinylidene fluoride plate during the processing process, and improves the clamping stability of the device. The several rubber protective strips 105 arranged on one side of the back baffle 104 avoid the problem of excessive clamping force on the plate during the positioning and clamping process of the device.

[0034] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0035] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A positioning fixture for processing a polyvinylidene fluoride plate, comprising a placement table (1); characterized in that: The placement table (1) is provided with a clamping assembly (2); The clamping assembly (2) comprises a first rotating plate (201), a center hole (202) is formed at the top of the first rotating plate (201), first rotating shafts (203) are fixed on both sides of the center hole (202) at the top of the first rotating plate (201), a second rotating plate (204) is rotatably matched with the first rotating shaft (203) on the side surface above the first rotating plate (201), a second rotating shaft (205) is rotatably matched with the top of the second rotating plate (204), a U-shaped plate (206) is fixed on the side surface of the second rotating shaft (205) above the second rotating plate (204), a limiting hole (207) is formed on one side of the U-shaped plate (206), and a clamping plate (208) is fixed on one end of the U-shaped plate (206); The placing platform (1) has limit plates (101) fixed on both opposite sides thereof, the limit holes (207) are slidably engaged with the limit plates (101), and a side plate (102) is fixed to one end of the limit plate (101).

2. A positioning fixture for processing polyvinylidene fluoride plates according to claim 1, characterized in that: A swing motor (103) is fixedly mounted on the bottom of the placement table (1), and the swing motor (103) is fixedly connected to the center hole (202).

3. A positioning fixture for processing polyvinylidene fluoride plates according to claim 2, characterized in that: A back baffle (104) is fixed on the top of the placement platform (1), and a plurality of rubber protection strips (105) are arranged on one side of the back baffle (104).

4. A positioning fixture for processing polyvinylidene fluoride plates according to claim 3, characterized in that: A horizontal slide groove (106) is provided on the top of the placement platform (1), and a limit stopper (107) is fixed in the horizontal slide groove (106); A threaded rod (3) is rotatably engaged between the inner wall of the horizontal slide groove (106) and the limit baffle (107).

5. A positioning fixture for processing polyvinylidene fluoride plates according to claim 4, characterized in that: A support plate (108) is fixed to one side of the placement table (1), a servo motor (109) is fixedly mounted on the top of the support plate (108), and an output end of the servo motor (109) is fixedly connected to one end of the threaded rod (3).

6. A positioning fixture for processing polyvinylidene fluoride plates according to claim 5, characterized in that: The threaded rod (3) is threadedly rotatably engaged with a threaded plate (301) that is slidably engaged with the horizontal slide groove (106), and a positive baffle (302) is fixed to one side of the threaded plate (301).